Yeah I confused myself - found a birth for a Emma Hill parents Charles and Harriet in 1855 Lambeth. That's why 1855 was in my head. Unsure if they had any children, and I cant find anything else on Harriet, or anything on her death. Charles married Emily in 1871 and already had a child with her, so is with them on the 71 census.
I guess i want to find him in the 51 & 61 census records, and a birth since the one's I've looked @ so far font seem to match him